28490997

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{227}}^1$

素因数の和:377

約数の個数: 32

約数和(自身を含む): 42550272

約数和(自身を除く): 14059275

約数列:

[1, 3, 17, 23, 51, 69, 107, 227, 321, 391, 681, 1173, 1819, 2461, 3859, 5221, 5457, 7383, 11577, 15663, 24289, 41837, 72867, 88757, 125511, 266271, 412913, 558647, 1238739, 1675941, 9496999, 28490997]

約数ペア:

[(1, 28490997), (3, 9496999), (17, 1675941), (23, 1238739), (51, 558647), (69, 412913), (107, 266271), (227, 125511), (321, 88757), (391, 72867), (681, 41837), (1173, 24289), (1819, 15663), (2461, 11577), (3859, 7383), (5221, 5457)]